The letters are made of tuff, the stone from which all houses in Armenia are built. The place is oriental, we stopped by on the Yerevan-Gyumri road. Nearby you can buy unique souvenirs - take a miniature of your letter with you) If you turn off the highway near the Alphabet, you can get to the fortress where the famous film about the Second World War was filmed
An interesting place where you can take original photos.
It is worth a visit if you are traveling along the way. I wouldn't have gone on purpose myself. We were returning from Sagmosovan and stopped by!